======================================
| [   16.874213][  T292] softirqs last disabled at (15871): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.874215][  T292] Preemption disabled at:
| [   16.874215][  T292] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.874225][  T292] Tainted: [W]=WARN
[   16.874225][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.874227][  T292] Call Trace:
[   16.874229][  T292]  <TASK>
[   16.874230][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.874236][  T292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.874238][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.874243][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.874247][  T292]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.874252][  T292]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.874254][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.874260][  T292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.874265][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.874268][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   16.874270][  T292]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.874273][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.874275][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.874279][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.874283][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.874286][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.874288][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.874292][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.874293][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.874296][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.874299][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.874303][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.874307][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.874309][  T292]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.874312][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.874314][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.874318][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.874322][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.874324][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.874329][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.874332][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.874334][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.874336][  T292]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.874340][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.874342][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.874345][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.874349][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.874354][  T292]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   16.874357][  T292]  _printk (kernel/printk/printk.c:2504)
[   16.874361][  T292]  ? snapshot_read.cold (user.c:?)
[   16.874367][  T292]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   16.874370][  T292] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.874372][  T292]  do_one_initcall (init/main.c:1357)
[   16.874375][  T292]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.874380][  T292]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.874383][  T292]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.874388][  T292]  do_init_module (kernel/module/main.c:3117)
[   16.874391][  T292]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.874396][  T292]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.874399][  T292]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.874403][  T292]  load_module (kernel/module/main.c:3593)
[   16.874410][  T292]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.874414][  T292]  ? __ia32_sys_fsconfig (??:?)
[   16.874417][  T292]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   16.874421][  T292]  ? backing_file_read_iter (fs/backing-file.c:211)
[   16.874424][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.874428][  T292]  init_module_from_file (kernel/module/main.c:3790)
[   16.874431][  T292]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.874439][  T292]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.874443][  T292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.874452][  T292]  idempotent_init_module (kernel/module/main.c:3802)
[   16.874455][  T292]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.874462][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.874464][  T292]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.874470][  T292]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.874472][  T292]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.874476][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.874478][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.874481][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.874483][  T292] RIP: 0033:0x7fbab2f7e37d
[   16.874486][  T292] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.874488][  T292] RSP: 002b:00007fff4a7b65d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.874491][  T292] RAX: ffffffffffffffda RBX: 00005611d907b810 RCX: 00007fbab2f7e37d
[   16.874492][  T292] RDX: 0000000000000000 RSI: 00005611ab190ffd RDI: 0000000000000000
[   16.874493][  T292] RBP: 00007fff4a7b6670 R08: 0000000000000000 R09: 0000000000000000
[   16.874494][  T292] R10: 0000000000000000 R11: 0000000000000246 R12: 00005611ab190ffd
[   16.874495][  T292] R13: 00005611d907b960 R14: 0000000000040000 R15: 0000000000000000
| [   19.488376][  T532] softirqs last disabled at (26067): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.488378][  T532] Preemption disabled at:
| [   19.488379][  T532] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.488388][  T532] Tainted: [W]=WARN
[   19.488389][  T532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.488391][  T532] Call Trace:
[   19.488392][  T532]  <TASK>
[   19.488394][  T532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.488399][  T532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.488402][  T532]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.488406][  T532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.488410][  T532]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.488415][  T532]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.488418][  T532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.488424][  T532]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.488426][  T532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.488430][  T532]  put_chars (drivers/char/virtio_console.c:1176)
[   19.488432][  T532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.488434][  T532]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.488439][  T532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.488441][  T532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.488446][  T532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.488448][  T532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.488453][  T532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.488456][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.488469][  T532]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.488473][  T532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.488475][  T532]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   19.488478][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.488480][  T532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.488484][  T532]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.488488][  T532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.488490][  T532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.488495][  T532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.488498][  T532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.488500][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.488503][  T532]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.488506][  T532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.488508][  T532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.488511][  T532]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.488515][  T532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.488518][  T532]  ? netdev_run_todo (net/core/dev.c:11776)
[   19.488522][  T532]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   19.488525][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.488529][  T532]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   19.488531][  T532]  _printk (kernel/printk/printk.c:2504)
[   19.488535][  T532]  ? snapshot_read.cold (user.c:?)
[   19.488537][  T532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.488540][  T532]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   19.488542][  T532]  ? __up_write (kernel/locking/rwsem.c:1415)
[   19.488544][  T532]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   19.488547][  T532]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   19.488550][  T532] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   19.488552][  T532]  do_one_initcall (init/main.c:1357)
[   19.488555][  T532]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.488560][  T532]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.488563][  T532]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.488569][  T532]  do_init_module (kernel/module/main.c:3117)
[   19.488572][  T532]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.488577][  T532]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.488580][  T532]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.488584][  T532]  load_module (kernel/module/main.c:3593)
[   19.488591][  T532]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.488595][  T532]  ? __ia32_sys_fsconfig (??:?)
[   19.488598][  T532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.488601][  T532]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.488605][  T532]  init_module_from_file (kernel/module/main.c:3790)
[   19.488608][  T532]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.488616][  T532]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.488620][  T532]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.488623][  T532]  idempotent_init_module (kernel/module/main.c:3802)
[   19.488627][  T532]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.488633][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.488635][  T532]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.488642][  T532]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.488644][  T532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.488648][  T532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.488649][  T532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.488652][  T532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.488654][  T532] RIP: 0033:0x7f3184e0937d
[   19.488658][  T532] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.488660][  T532] RSP: 002b:00007ffef2170758 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.488662][  T532] RAX: ffffffffffffffda RBX: 00005594cdb80810 RCX: 00007f3184e0937d
[   19.488664][  T532] RDX: 0000000000000000 RSI: 00005594b160effd RDI: 0000000000000000
[   19.488665][  T532] RBP: 00007ffef21707f0 R08: 0000000000000000 R09: 0000000000000000
[   19.488666][  T532] R10: 0000000000000000 R11: 0000000000000246 R12: 00005594b160effd
[   19.488666][  T532] R13: 00005594cdb80960 R14: 0000000000040000 R15: 0000000000000000
| [   22.735780][  T811] softirqs last disabled at (24059): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.735783][  T811] Preemption disabled at:
| [   22.735783][  T811] 0x0
| [   22.735794][  T811] Tainted: [W]=WARN
[   22.735795][  T811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.735797][  T811] Call Trace:
[   22.735798][  T811]  <TASK>
[   22.735799][  T811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.735806][  T811]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.735810][  T811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.735815][  T811]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.735820][  T811]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.735822][  T811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.735828][  T811]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.735831][  T811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.735835][  T811]  put_chars (drivers/char/virtio_console.c:1176)
[   22.735837][  T811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.735839][  T811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.735844][  T811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.735849][  T811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.735856][  T811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.735858][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.735861][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.735865][  T811]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.735869][  T811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.735871][  T811]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.735874][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.735876][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.735880][  T811]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.735887][  T811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.735888][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.735894][  T811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.735897][  T811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.735898][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.735901][  T811]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.735905][  T811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.735906][  T811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.735910][  T811]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.735914][  T811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.735917][  T811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.735921][  T811]  _printk (kernel/printk/printk.c:2504)
[   22.735924][  T811]  ? snapshot_read.cold (user.c:?)
[   22.735927][  T811]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   22.735930][  T811]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.735934][  T811]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   22.735936][  T811]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   22.735940][  T811]  ? exit_notify (kernel/exit.c:780)
[   22.735942][  T811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.735945][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.735949][  T811]  do_group_exit (kernel/exit.c:1151)
[   22.735952][  T811]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   22.735954][  T811]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   22.735956][  T811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.735959][  T811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.735962][  T811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.735965][  T811] RIP: 0033:0x7f69818fe1b8
[   22.735967][  T811] Code: Unable to access opcode bytes at 0x7f69818fe18e.

Code starting with the faulting instruction
===========================================
[   22.735968][  T811] RSP: 002b:00007ffd64df4228 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   22.735971][  T811] RAX: ffffffffffffffda RBX: 00007f6981a2ef88 RCX: 00007f69818fe1b8
[   22.735972][  T811] RDX: 00007f6981649588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   22.735973][  T811] RBP: 00007ffd64df4280 R08: 0000000000000000 R09: 0000000000000000
[   22.735974][  T811] R10: 00007ffd64df4020 R11: 0000000000000246 R12: 0000000000000001
[   22.735974][  T811] R13: 0000000000000000 R14: 00007f6981a2d680 R15: 00007f6981a2efa0
| [   26.594591][ T1083] softirqs last disabled at (18265): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.594593][ T1083] Preemption disabled at:
| [   26.594594][ T1083] 0x0
| [   26.594605][ T1083] Tainted: [W]=WARN
[   26.594606][ T1083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.594607][ T1083] Call Trace:
[   26.594609][ T1083]  <TASK>
[   26.594611][ T1083]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.594617][ T1083]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.594622][ T1083]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.594626][ T1083]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.594631][ T1083]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.594634][ T1083]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.594640][ T1083]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.594642][ T1083]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.594646][ T1083]  put_chars (drivers/char/virtio_console.c:1176)
[   26.594649][ T1083]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.594650][ T1083]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.594655][ T1083]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.594660][ T1083]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.594666][ T1083]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.594668][ T1083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.594671][ T1083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.594675][ T1083]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.594679][ T1083]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.594681][ T1083]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.594684][ T1083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.594686][ T1083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.594690][ T1083]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.594694][ T1083]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.594696][ T1083]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.594702][ T1083]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.594704][ T1083]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.594706][ T1083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.594709][ T1083]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.594712][ T1083]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.594714][ T1083]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.594717][ T1083]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.594721][ T1083]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.594725][ T1083]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.594728][ T1083]  _printk (kernel/printk/printk.c:2504)
[   26.594732][ T1083]  ? snapshot_read.cold (user.c:?)
[   26.594735][ T1083]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   26.594738][ T1083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.594741][ T1083]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   26.594744][ T1083]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   26.594748][ T1083]  ? exit_notify (kernel/exit.c:780)
[   26.594750][ T1083]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.594753][ T1083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.594757][ T1083]  do_group_exit (kernel/exit.c:1151)
[   26.594760][ T1083]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   26.594762][ T1083]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   26.594764][ T1083]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.594767][ T1083]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.594770][ T1083]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.594772][ T1083] RIP: 0033:0x7fe7dac781b8
[   26.594775][ T1083] Code: Unable to access opcode bytes at 0x7fe7dac7818e.

Code starting with the faulting instruction
===========================================
[   26.594776][ T1083] RSP: 002b:00007ffd74480ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   26.594778][ T1083] RAX: ffffffffffffffda RBX: 00007fe7dada8f88 RCX: 00007fe7dac781b8
[   26.594780][ T1083] RDX: 00007fe7da9c3588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   26.594781][ T1083] RBP: 00007ffd74480b40 R08: 0000000000000000 R09: 0000000000000000
[   26.594782][ T1083] R10: 00007ffd744808e0 R11: 0000000000000246 R12: 0000000000000001


Finger prints:
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars